<?php
namespace app\common\model;
use think\Model;

class CommonModel extends Model
{
    protected $err;

    /**
     * @return mixed
     */
    public function getErr()
    {
        return $this->err;
    }

    /**
     * @param mixed $err
     */
    public function setErr($err)
    {
        $this->err = $err;
    }
}